Friction modifier for motor oil
Novel friction reducing additives provide friction modification at a lower effective concentration when added to a motor oil base. A friction reducing motor oil composition may include motor oil base and a friction reducing additive having the structure of the general formula (I): wherein: R 1 is a straight or branched C 5 -C 30 alkyl or alkenyl; R 2 is H, or a straight or branched alkyl of C 1 -C 10 ; R 3 is H, or a straight or branched alkyl of C 1 -C 10 ; P is 0 or C 1 ; n is C 1 -C 5 ; and m is C 0 -C 5 .
1. A friction reducing motor oil additive, wherein the additive has the structure of the general formula (I):
wherein, R 1 is straight or branched C 5 -C 30 alkyl, or alkenyl; R 2 is H, or a straight or branched alkyl of C 1 -C 10 ; R 3 is H, or a straight or branched alkyl of C 1 -C 10 ; P is 0 or C 1 ; n is C 1 -C 5 ; and m is C 0 -C 5 and wherein the additive is present in an amount between about 0.001 wt % and about 5 wt %.
2. The friction reducing motor oil additive of claim 1 , wherein R 1 is straight chain C 16 -C 18 alkyl.
3. The friction reducing motor oil additive of claim 1 , wherein: R 1 is a C 16 straight alkenyl; R 2 is H; R 3 is C 1 ; P is C 1 ; n is C 1 ; and m is 0.
4. The friction reducing motor oil additive of claim 3 , wherein R 1 is unsaturated between C 9 and C 10 .
5. The friction reducing motor oil additive of claim 1 , wherein: R 1 is C 16 straight alkenyl; R 2 is C 4 ; R 3 is H; P is C 1 ; n is C 1 ; and m is C 1 .
6. The friction reducing motor oil additive of claim 5 , wherein R 1 is unsaturated between C 9 and C 10 .
7. The friction reducing motor oil additive of claim 1 , wherein the additive has the structure of the formula (II):
8. The friction reducing motor oil additive of claim 1 , wherein the additive has the structure of the formula (III):
9. The friction reducing motor oil additive of claim 1 , wherein the additive is a combination of additives having the general Formula I, II or III.
10. A friction reducing motor oil composition comprising:
a) motor oil base; and
b) a friction reducing additive having the structure of the general formula (I):
wherein: R 1 is a straight or branched C 5 -C 30 alkyl or alkenyl; R 2 is H, or a straight or branched alkyl of C 1 -C 10 ; R 3 is H, or a straight or branched alkyl of C 1 -C 10 ; P is 0 or C 1 ; n is C 1 -C 5 ; and m is C 0 -C 5 .
11. The friction reducing motor oil composition of claim 10 , wherein R 1 is straight chain C 16 -C 18 alkyl.
12. The friction reducing motor oil composition of claim 10 , wherein: R 1 is a C 16 straight alkenyl; R 2 is H; R 3 is C 1 ; P is C 1 ; n is C 1 ; and m is 0.
13. The friction reducing motor oil composition of claim 12 , wherein R 1 is unsaturated between C 9 and C 10 .
14. The friction reducing motor oil composition of claim 10 , wherein: R 1 is C 16 straight alkenyl; R 2 is C 4 ; R 3 is H; P is C 1 ; n is C 1 ; and m is C 1 .
15. The friction reducing motor oil composition of claim 14 , wherein R 1 is unsaturated between C 9 and C 10 .
16. The friction reducing motor oil composition of claim 10 , wherein the friction reducing additive has the structure of the formula (II):
17. The friction reducing motor oil composition of claim 10 , wherein the friction reducing additive has the structure of the formula (III):
18. The friction reducing motor oil composition of claim 10 , wherein the friction reducing additive is a combination of additives having the general Formula I, II or III.
19. The friction reducing motor oil composition of claim 10 , wherein the composition further comprises one or more additional additives selected from the group consisting of: dispersants, detergents, antioxidants, anti-wear agents, viscosity modifiers, pour point depressants, other friction modifiers, corrosion inhibitors, anti-foamants, demulsifiers, and seal swell agents.
20. The friction reducing motor oil composition of claim 10 , wherein the motor oil base is present in an amount from about 50% to about 99.9 wt % and the friction reducing additive is present in an amount from about 0.001 wt % to about 5.0 wt % of the total composition of the friction reducing motor oil.